Take the I-95 N and then the ME-43 exit 197 to Old Town/Hudson. Turn left onto Rt. 43 (Hudson Rd). Go west 5.5 miles, past Gate 1 (large red sign on your right (north side of Rt. 43), and take the last driveway on the right, before the bridge. Meet in the parking lot at Gate 3 (35 Hudson Rd, Alton).